The short version
Only one company currently supplies this market — there is no backup if it stumbles.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Eastern 6 Tree Pollen Mix
Fagus grandifolia, Populus deltoides, Quercus rubra, Betula nigra, Carya ovata and Fraxinus americana · FAGUS GRANDIFOLIA POLLEN .0166666 g/mL; POPULUS DELTOIDES POLLEN .0166666 g/mL; QUERCUS RUBRA POLLEN .0166666 g/mL; CARYA OVATA POLLEN .0166666 g/mL; FRAXINUS AMERICANA POLLEN .0166666 g/mL; BETULA NIGRA POLLEN .0166666 g/mL · Solution · Intradermal; Percutaneous; Subcutaneous · Greer Laboratories, Inc.
NDC 22840-9448-02 · 10 mL in 1 VIAL, MULTI-DOSE · BLA · View full market →
Medicare Part D
No Medicare Part D plan in CMS's quarterly files lists this product. That usually means it is discontinued, a repackager's listing, or a product no plan has added to its formulary.
How Part D pricing works →NADAC price per unit
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Supply fragility
Not scored — fragility is computed for NADAC-priced NDCs.
Is this a "specialty" drug?
There's no legal definition — it meets 2 of 6 public criteria. Why that matters →
- Part D specialty tier
- Costs ≥ $950/fill
- Biologic (BLA)
- Injectable / infused
- Orphan-drug exclusivity
- REMS program
Regulatory
- Application
- BLA101833
- TE code
- —
- Approval date
- —
- Patents / exclusivity
- None on file
Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of Fagus grandifolia, Populus deltoides, Quercus rubra, Betula nigra, Carya ovata and Fraxinus americana (Solution)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Greer Laboratories, Inc. | FAGUS GRANDIFOLIA POLLEN 6666.6666 [PNU]/mL; POPULUS DELTOIDES POLLEN 6666.6666 [PNU]/mL; QUERCUS RUBRA POLLEN 6666.6666 [PNU]/mL; CARYA OVATA POLLEN 6666.6666 [PNU]/mL; FRAXINUS AMERICANA POLLEN 6666.6666 [PNU]/mL; BETULA NIGRA POLLEN 6666.6666 [PNU]/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | FAGUS GRANDIFOLIA POLLEN .0001666 g/mL; POPULUS DELTOIDES POLLEN .0001666 g/mL; QUERCUS RUBRA POLLEN .0001666 g/mL; CARYA OVATA POLLEN .0001666 g/mL; FRAXINUS AMERICANA POLLEN .0001666 g/mL; BETULA NIGRA POLLEN .0001666 g/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | FAGUS GRANDIFOLIA POLLEN .0083333 g/mL; POPULUS DELTOIDES POLLEN .0083333 g/mL; QUERCUS RUBRA POLLEN .0083333 g/mL; CARYA OVATA POLLEN .0083333 g/mL; FRAXINUS AMERICANA POLLEN .0083333 g/mL; BETULA NIGRA POLLEN .0083333 g/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | FAGUS GRANDIFOLIA POLLEN .0166666 g/mL; POPULUS DELTOIDES POLLEN .0166666 g/mL; QUERCUS RUBRA POLLEN .0166666 g/mL; CARYA OVATA POLLEN .0166666 g/mL; FRAXINUS AMERICANA POLLEN .0166666 g/mL; BETULA NIGRA POLLEN .0166666 g/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | FAGUS GRANDIFOLIA POLLEN 1666.6666 [PNU]/mL; POPULUS DELTOIDES POLLEN 1666.6666 [PNU]/mL; QUERCUS RUBRA POLLEN 1666.6666 [PNU]/mL; CARYA OVATA POLLEN 1666.6666 [PNU]/mL; FRAXINUS AMERICANA POLLEN 1666.6666 [PNU]/mL; BETULA NIGRA POLLEN 1666.6666 [PNU]/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | FAGUS GRANDIFOLIA POLLEN 3333.3333 [PNU]/mL; POPULUS DELTOIDES POLLEN 3333.3333 [PNU]/mL; QUERCUS RUBRA POLLEN 3333.3333 [PNU]/mL; CARYA OVATA POLLEN 3333.3333 [PNU]/mL; FRAXINUS AMERICANA POLLEN 3333.3333 [PNU]/mL; BETULA NIGRA POLLEN 3333.3333 [PNU]/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | BETULA NIGRA POLLEN .0001666 g/mL; CARYA OVATA POLLEN .0001666 g/mL; FAGUS GRANDIFOLIA POLLEN .0001666 g/mL; FRAXINUS AMERICANA POLLEN .0001666 g/mL; POPULUS DELTOIDES POLLEN .0001666 g/mL; QUERCUS RUBRA POLLEN .0001666 g/mL | Jul 15, 2026 | Jul 15, 2026 |
| Greer Laboratories, Inc. | BETULA NIGRA POLLEN .0083333 g/mL; CARYA OVATA POLLEN .0083333 g/mL; FAGUS GRANDIFOLIA POLLEN .0083333 g/mL; FRAXINUS AMERICANA POLLEN .0083333 g/mL; POPULUS DELTOIDES POLLEN .0083333 g/mL; QUERCUS RUBRA POLLEN .0083333 g/mL | Jul 15, 2026 | Jul 15, 2026 |
| Greer Laboratories, Inc. | BETULA NIGRA POLLEN .0166666 g/mL; CARYA OVATA POLLEN .0166666 g/mL; FAGUS GRANDIFOLIA POLLEN .0166666 g/mL; FRAXINUS AMERICANA POLLEN .0166666 g/mL; POPULUS DELTOIDES POLLEN .0166666 g/mL; QUERCUS RUBRA POLLEN .0166666 g/mL | Jul 15, 2026 | Jul 15, 2026 |
| Greer Laboratories, Inc. | BETULA NIGRA POLLEN 1666.6666 [PNU]/mL; CARYA OVATA POLLEN 1666.6666 [PNU]/mL; FAGUS GRANDIFOLIA POLLEN 1666.6666 [PNU]/mL; FRAXINUS AMERICANA POLLEN 1666.6666 [PNU]/mL; POPULUS DELTOIDES POLLEN 1666.6666 [PNU]/mL; QUERCUS RUBRA POLLEN 1666.6666 [PNU]/mL | Jul 15, 2026 | Jul 15, 2026 |
| Greer Laboratories, Inc. | BETULA NIGRA POLLEN 3333.3333 [PNU]/mL; CARYA OVATA POLLEN 3333.3333 [PNU]/mL; FAGUS GRANDIFOLIA POLLEN 3333.3333 [PNU]/mL; FRAXINUS AMERICANA POLLEN 3333.3333 [PNU]/mL; POPULUS DELTOIDES POLLEN 3333.3333 [PNU]/mL; QUERCUS RUBRA POLLEN 3333.3333 [PNU]/mL | Jul 15, 2026 | Jul 15, 2026 |
| Greer Laboratories, Inc. | BETULA NIGRA POLLEN 6666.6666 [PNU]/mL; CARYA OVATA POLLEN 6666.6666 [PNU]/mL; FAGUS GRANDIFOLIA POLLEN 6666.6666 [PNU]/mL; FRAXINUS AMERICANA POLLEN 6666.6666 [PNU]/mL; POPULUS DELTOIDES POLLEN 6666.6666 [PNU]/mL; QUERCUS RUBRA POLLEN 6666.6666 [PNU]/mL | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Eastern 6 Tree Pollen Mix — NDC 22840-9448-02," retrieved September 3, 2026, https://drugdashboards.com/drug/22840944802.
Free to cite with attribution — see how the data is put together.